# Red bear, long grass mower on charcoal gas

**URL:** http://forum.driveonwood.com/t/red-bear-long-grass-mower-on-charcoal-gas/6066
**Category:** Small Engines
**Created:** [October 8, 2021, 12:57pm UTC](http://forum.driveonwood.com/t/red-bear-long-grass-mower-on-charcoal-gas/6066 "2021-10-08T12:57:45Z")
**Posts on this page:** 1
**Showing post:** 20

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### Author: ![Tone](https://avatars.discourse-cdn.com/v2/letter/t/71c47a/32.png) [@Tone](http://forum.driveonwood.com/u/Tone)
#### Post date: [April 15, 2022, 11:22am UTC](http://forum.driveonwood.com/t/red-bear-long-grass-mower-on-charcoal-gas/6066/20 "2022-04-15T11:22:49Z")

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> [@Properties of a good wood gasifier](http://forum.driveonwood.com/t/properties-of-a-good-wood-gasifier/5240/185):
>
> I agree Tone, this is where Kristijan insulated hot hopper worked. With the addition of the cooling tubes on the outside of the hopper and condensation tank to drain off the water. The insulation around the lower part of the gasifer like JO is doing and a larger drop out area. Preheating the air into the nozzles. Minimizing the heat loses out of the gasifer and putting the heat to work with pyrolysisation of wood in the hopper is a big plus. This is my goal on the WK build I’m building now.…

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